Old hydrangea and new furnace vent pipe
schoolhouse_gw
7 years ago
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Jean
7 years agoschoolhouse_gw
7 years agoRelated Discussions
Condensation? through vent pipe
Comments (5)You can stop it, by turning the furnace off. Are you sure it's condensation or rain water. A lot of condensation could mean you're flue is blocked, although the pressure switch should shut the furnace down if it's stopped up completely. A partial blockage would cause a lot of condensation and still allow the furnace to run....See MoreFurnace Venting Question
Comments (3)Thanks Paul, I would feel better doing that. I haven't looked, but the 2 pipes are only about 1 foot away from each other and are at the same length, I also have a HRV. It doesn't make much sense to me if one is a intake and one is a exhaust, it would just suck the exhaust air back into the intake being that they are so close to each other They also enter the Furnace roughly 1 foot away if that tells you anything....See MoreDid oversized venting pipe kill our furnace?
Comments (5)I am skeptical about both your techs. I don't understand how a larger vent pipe can create soot and block the heat exchanger, and that if the pipe were 3 feet longer there would have been no problem. If you have a build up of soot, then you may have a chimney draft problem. I could be wrong, but I doubt the draft problem is being caused by the 3 inch diameter. My 40 gallon hot water heater has a 4 inch vent pipe! If the heat exchanger is not cracked, then why is tech number two recommending a new furnance? Why can't vent pipe be fixed if that is the actual problem? You should have the original contractor come in and review the installation. If as you say the installation did not follow Carrier's guidelines, then you have a good arguement about getting him to fund the repairs or replacement....See MoreLennox/Goodman furnace, pipes through Garage?
Comments (3)>I've read a lot of stuff about Goodman, not all good - but it does appear that if properly installed, it can be a good unit? Yes. If any contractor bashes a brand, ask them for a specific technical explanation of why that brand's products are inferior to the rest. If they can't come up with a direct answer to that question, kick them out of your house. I have worked with both, and can't come up with such an explanation for either Goodman or Lennox, so I refrain from saying their products are worse than the competition. They all use the same basic design and for the most part, the same components. Instead of avoiding a particular brand, I would advise that you avoid the low-end stuff of any brand. The Lennox SLP98V and Goodman's 96% 2 stage are certainly not low end. Your Rheem 100K is probably oversized, make sure the contractor you select does a Manual J load calculation to figure out the correct size. If they just put in a new 100K furnace, especially a high efficiency one, it will be even more oversized. You should definitely go with a 2 stage or modulating furnace in that climate. Normally in MA a 2 stage condenser would be overkill, but it might be worth it since you're zoning. If you get the SLP98V I would want the Harmony III zone panel to properly control the modulation and the variable speed fan for zoning....See Morehl_60
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